Subtract 8/5 from 49/18
1st number: 2 13/18, 2nd number: 1 3/5
49/18 - 8/5 is 101/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
49/18 = 49 × 5/18 × 5 = 245/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Subtract the two like fractions:
245/90 - 144/90 = 245 - 144/90 = 101/90 - In mixed form: 111/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18-8/5 49/18-16/5 49/36-8/5 49/18-8/10 49/18-24/5 49/54-8/5 49/18-8/15 49/18-40/5 49/90-8/5 49/18-8/25 49/18-56/5 49/18-8/35